Quarterly Journal of the Chemical Society of London, Volume 1 |
From inside the book
Results 1-3 of 75
Page 94
... temperature . Above 700 ° , the process is first - order : k = 1012 : 45 exp ( -64,890 / RT ) sec . - 1 . Decarboxylation , however , is first - order throughout the range : k = 1013-59 exp ( -69,800 / RT ) sec . - 1 . All processes are ...
... temperature . Above 700 ° , the process is first - order : k = 1012 : 45 exp ( -64,890 / RT ) sec . - 1 . Decarboxylation , however , is first - order throughout the range : k = 1013-59 exp ( -69,800 / RT ) sec . - 1 . All processes are ...
Page 113
... temperature - dependence of these spectra may be used to determine the energy barriers to rotation about the C ( 1 ) -C ( 6 ) and C ( 6 ) -N bonds . R3 R R R R NMe R1 R2 ( XI ) H H H ( XII ) Me H H ( XIII ) Ph H H ( XIV ) p - MeO - CH1 ...
... temperature - dependence of these spectra may be used to determine the energy barriers to rotation about the C ( 1 ) -C ( 6 ) and C ( 6 ) -N bonds . R3 R R R R NMe R1 R2 ( XI ) H H H ( XII ) Me H H ( XIII ) Ph H H ( XIV ) p - MeO - CH1 ...
Page 307
... temperature , are identical with those at room temperature . At temperatures above 200 ° small traces of benzene are observed . Darwent and Roberts observed that increase in temperature caused a slight but significant increase in the ...
... temperature , are identical with those at room temperature . At temperatures above 200 ° small traces of benzene are observed . Darwent and Roberts observed that increase in temperature caused a slight but significant increase in the ...
Contents
Physical organic chemistry | 1 |
Aromatic reactivity Part XXXVIII Protodesilylation of 12dihydrobenzocyclobutene indan and tetralin | 12 |
Aromatic reactivity Part XL Additional substituent effects in protodetrimethylsilylation | 21 |
Copyright | |
6 other sections not shown
Other editions - View all
Common terms and phrases
absorption acetic acid Acta alcohol alkyl Amer amine angles anion aqueous aromatic ation benzene bond bromide calculated carbanion carbon tetrachloride CH₂ Chem chemical shifts Chemistry Chim chloride CO₂H compounds concentration conformation corresponding coupling constants decomposition derived di-imine dioxan dipole effect electron equation esters ethanol ether experimental Figure first-order fluorine formation formed hydrogen hydrolysis hydroxide hypochlorous acid interaction intermediate iodide irradiation isomer isomerisation isopropyl k₁ ketone kinetic measured mechanism mercuric mesitylene method methyl mixture mole mole-¹ molecular molecule n.m.r. spectra nitration nitrogen observed obtained olefin oxidation oxygen peaks peroxide phenyl Phys plot polymer proton radical rate constants ratio reactants reaction reactivity reduced relative resonance ring salts showed shown similar singlet sodium solution solvent solvolysis spectrum steric steric effect structure substituent sulphoxide t-butyl Table temperature titanium(III triethyl phosphite values